1. A t on~io~l l!iti.h prcbr:b!.Jitys b. ~air or low protnbilily a 2. Non-e.~trononios.l tut E.u {;(;('I at i ; e of ot htir ex p J ana. t.. i onH Ba.llonot! or ord.lr.a.:=-y airorc.i't z b. Rook f I.e,. flaroa or fall j n g bodies~ o. lli&Oft))&neous (r{~!l ctions, f..~ora.l &trf'ti..."lt'lrr., blr'',. 1.o.)' :>. llon-c.strono~iaal, with no ox;;ltma. t ic!"l evidont o Lack of 6videnoe preolucoe explanation' b. ~vid~nce offe~d ~U6Gsst~ no cxpl&nBtionl See 6.bo re p . ~darc3s of obser v e r See above 7 . P loco of obsorwtion B. Nu~bcr of objncts 9 . !)isl;O!JC O o.f ob.Jo ct f rom obse r v e r 1/S 1 0 . Tino in Gif;ht Over 5 1 2 S pc:ud frequ.ent bursts o~ speed Diruci..i'n o f fliGht then aou t hwe st ~u~7jcc travel ed with fre~uent S .... ~;:-d i o enC:.ible sound Siz~ sli&htly gre~ter t han a Gt~ '1.7. Colo r '!i.f S -br!ll isnt li.ght 12.. Shc.po F/S CO.c . .:-d otoc Ln d 20. ~crnrcr.t co~ctructicn .~lichtH T:c~thor condition e :Sff(,ct o!l clouds S1-:ctch ~s Ojy:)':f:tif::ir..!:: ~nne :.n our f::l e &1 tmletter c f tl"1!llsu:i tte.l indies. t e s one was sen-: l:C.!'t~cr of disn p~ccr:i!'lCG .lost in brilliwcy cf the moo~ P..omu rks: (over) Uf\TCLf\SSI~;Ej :t'roj~ ot lBJ\t.ql;.\RtERS liR WEATHER SERVICE .A.nc1rew3 Air Foroe Bas.,, lfash- Co:lrnAnding General, Air !.1a torie 1 Co:nr.Ar~d .. Wr t;o;ht-Pa t tereon ~ir Forca Da3e, Dayton,. Ohio AT1';1 :t liC !AXO In7astic;utions by thie l 1eadliuartors re~a.l tr.\t a ayr.optio :: )t~th:3r balloon could have beer. at the loca.tion _.here si~htint;:s re ropor~'d tnt~ followinG i~oidonts. In compiling this l1~t o vnaiderat:on wns giv~n to the wind direction and s pe~d at . the urfaco and aloft at thft schadulod tin~ of balloon r~l~a~e~ and th~ location or tho n~aroat weather etation nw~lng b~lloon ob8~r- ttl. tiona. CHIEF AIR TiENfEER SERVICE Anjut~nt ~n~r~l lnoidont 1~1 --L~ntGom~ry, Aluoar.A --28 June 1947 Ilo astrono;Jical obj eot o ould possibly bea!lve in tho mun:1er described in t:~is inciuont HEADQUARTERS ACTICAL At , F I ELD. V l R GINIA IH Rll"\..'f' Rt:P'll,. T O " vl.)uv u l : :' .)")ort of Unuzu:.:l Colesti~l ?hc:n.Ci:".O:::J:l. lph ?iold _, s ur!'n.c e c:1.3. :1.ged course f'or J.p?r~xi:"J.atel:r A.fter t r3.veling in -the c:oove posoi.ole to _\ oa:!.l :ra. 3 p lo.ced and i:1qui r y made i~ -:'Le 7i~i:::lity. UNCLASSiF!c-D At apr-ro:d:x.:.tnl:v ?120 Central t:me, a li6bt, wi 'til .l. b:-U:!.Lu1es s.ligotl~ greater th_:n 3. star S"P!'earsd fr::>:n the "ie~t traveling i n -:~n ct:\S~..<:rl;,r "irec~ion a t a 'high r-' tA 0f r~ccd. .Lt fi:s t C.l:-cea ~li~!l~lJ aboYe tr-...e hori zc ci :l. cleor xoon light r.ight. ,.~nere ~s no cudibls sound. It ~ec..red to b e ~t great hei&}1t ul t ho it t~ ,.:; i.:l~OGsible to deter.nine the altitude. I t t:=.-3.veled a zig-za& eour~e ~th frequent bursta of zpeed si:nilar to a ':roter bu1 -:.sj..t spurts and stop s s.cross the surface of Jater. :Jirectly-overheP...d it c.1ang~<1 course 90 into th~ -:Jouth. .After 5 oinlltes :1 t tu.r.led qouthest rmd \las l ost in the brilliancy of ~na u:.oon. .At .21li5 Cen tral i i; '.YS.S not l~nger J ossible to observe it. 1\_ c~l \1/-=ts pl~ced to Mar~ll ::?ld V9era.tion s ~oncerni!lg ..,c_e heDomena and i nquiey ~s !Il8de if 3ny e.xperi.::ental c-.irc:-dt ':laTe scnadulad ~or a ~light in t he vicim ty but the re!JlJ ~c:s ~..gati-Je. No plau .. ::dols exolanation m.a oT:.::::-e Ior .:1e U!1tl3Ua C\#lo n ox :~11.3 source OI .J..l.~ "'tl acte c on r3.I;f ~o an::~ coimlOn a arod;JD8lnica1 laws. ~,.;o of t .~ .. oove :1oted oosP.t'1ers wn ~-.l1.dd 7.>ilots and the o ther t No,. air intelli5encs officers. CbS of', A i ~ f(oa t ha r :-,~1co r /1.ndre' ' c Air Force &-so, W~Lhinr,tor. 25. D. C~ J\.TTJis DSS 1. Prc.,~<)t ttSlGJ~" is reespon&ible for tl1c colleotion, inveu\j- c~t1on end jnt<'rj>r6tu ion o r dn.t relativs to eic,ht.inc; of: u.nidontified tJyirc objeota. f~ttaohod Inoide-nt Sw.-Jila.ri!:to 1 i.h:ru 172 from th(; filet o f Proj~o\. lGN~ are ronro.rded !'or s tudy ond ~oomt'l5ntio.t'()1f.. c.& to Y.bioh~ of the inoide~ntft mt.iY be (...limira::.ted t..c bt.\lloon' r E:l" a H:f'1 on rout~n<.i C}rnoptSo ('t\onts l1y th(' 1 .. 1r Vi6&.thor s~rviOt, t}.9 Nc..vy /..b.,..vl<'l,, l ( t..l ~rviot.~ or ihh "linit d Stc.tes V\'t-a.tht.r Bur6t\U. Tho., uur1lDl! r i~t tu rl1,..d "'q t~ tu.1n d in your ht>e.dqun.rwrs fer orkine r.... ,1 roj r!not'i p u po t , .. t 2. !ltt: Air lr e. th6 r Sc rv ice 1 t' the OI;ly $ r,ono~r a!' li; 13 t yps tlu:. t hao ~en ~ r };~ cl t o tu~ist in tht1t tiCCo!I1p: i~r...LUOnt of Pro:l~o"r. .. ~ lGn tht the Unjt.od fitc..t6e; r teathor BuraElU ho.e providod i!tiorDlhLic,n en bo.ll li()htrtint; ~ H eeo.rch pro je ots in \tthioh balJ nona ' re ut5"d c. rd hich f: t c oonduote d or 6ronsored by tho Army, Navy or Unlted t 6 ~n /,J r forces c. s eb ol:6d l)y tl.e Intoll1~ano~ Depo.rtmant of thSt' Coolt!YUld.. i.h- ~ee, c!--f..oks U~t!tt.lly nw.d(J direct fr o:n tho Proj~ t lli~lctlt'' Office, ~JG lh.>~O-3. l'he~o Qheelctt IG d1&.tinot from the oheolc Of tyt!Optic balloon f) :1rhtr rr.c..c!e by -.e~ r_ thor ~ott r v ico tte. t'~ O:l~ of t.1e, A!. r Force.., thC=-I:o. vy c..nd 1.h .. uo p:~ r t~D~i ct Co~ro~ (U. S ... l:6e.ther-Burta:t) requestt:.d of Air\! t.\t.hr.:r Scr-'t'icc. 3 ~ T 1 IS tile' opinion of th~c o f!ia~ .. tht: t the btJ l on OG..Ll.t& nro tho!e hQ.Vi.nb th~ ge&.~ct portc1bi1.1tJr cr boi.ng l.iet do6t not tli~in:l.t6 tl;:) pocsibi.lity tho.t m:...l1j~ of th() ino id~!ltc ra ball ooM. , br1.l 1 cont. .. Thi t 1"6 mf-tru.r-c 1 !~hti.Ilr,r ~ t 4. 't1u; forro urasd in i.nwr-rogt'ti.nr, itr ~olo e6 a a ~ttcr of in~re(!t~ Connent aa er the "Ec B&Ttti l Ele:x: ... nta or lo!'oruu t iOll"' in 5ynoptio bo.lloon 1'11r;hts ' invited . S.bl~ i:!pr.o tHlc.;r.lt Cocma n:i 1ng Ge.neral, l:iea.dquarte r e ~ Air J.(t.t. ~riel Co::u::u.tnd ~ "~ ntiou FOR THC CO~.IAJwDIG G!:l\ERALa w. R. Cl1ngercan,. Col~ USJ..r SumnL&r1ea l.-172 inql Cop lea t\lrnished AFOlll,. Hq. uaar Capt fra.kowski. C' opeyaioa U.b Uajor Kodis lAClU..la Color., 1 Yeo.l, l.Cl...itl''S. ~I . ll. JJ.oCOY Co lon..,l,. tJ'S.AF Inte llir,e.no$